Java多线程-生产消费者2
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有关Java多线程-生产消费者，一个生产，多个线程消费，下面的代码模拟了整个过程，以及多线程中condition的用法。
Main.java
package com.packtpub.java7.concurrency.chapter2.recipe6.core;import com.packtpub.java7.concurrency.chapter2.recipe6.task.Buffer;import com.packtpub.java7.concurrency.chapter2.recipe6.task.Consumer;import com.packtpub.java7.concurrency.chapter2.recipe6.task.Producer;import com.packtpub.java7.concurrency.chapter2.recipe6.utils.FileMock;/** * Main class of the example * */public class Main { /** * Main method of the example * @param args */ public static void main(String[] args) { /** * Creates a simulated file with 100 lines */ FileMock mock=new FileMock(101, 10); /** * Creates a buffer with a maximum of 20 lines */ Buffer buffer=new Buffer(20); /** * Creates a producer and a thread to run it */ Producer producer=new Producer(mock, buffer); Thread threadProducer=new Thread(producer,"Producer"); /** * Creates three consumers and threads to run them */ Consumer consumers[]=new Consumer[3]; Thread threadConsumers[]=new Thread[3]; for (int i=0; i<3; i++){ consumers[i]=new Consumer(buffer); threadConsumers[i]=new Thread(consumers[i],"Consumer "+i); } /** * Strats the producer and the consumers */ threadProducer.start(); for (int i=0; i<3; i++){ threadConsumers[i].start(); } }}FileMock.java 生产实体
package com.packtpub.java7.concurrency.chapter2.recipe6.utils;/** * This class simulates a text file. It creates a defined number * of random lines to process them sequentially. * */public class FileMock { /** * Content of the simulate file */ private String content[]; /** * Number of the line we are processing */ private int index; /** * Constructor of the class. Generate the random data of the file * @param size: Number of lines in the simulate file * @param length: Length of the lines */ public FileMock(int size, int length){ content=new String[size]; for (int i=0; i<size; i++){ StringBuilder buffer=new StringBuilder(length); buffer.append(i); for (int j=0; j<length; j++){ char randomWord; if((int)(Math.random()*100) %2 == 0){ randomWord = (char)(int)(Math.random()*26+97); }else{ randomWord = (char)(int)(Math.random()*26+65); } buffer.append(randomWord); } content[i]=buffer.toString(); } index=0; } /** * Returns true if the file has more lines to process or false if not * @return true if the file has more lines to process or false if not */ public boolean hasMoreLines(){ return index<content.length; } /** * Returns the next line of the simulate file or null if there aren't more lines * @return */ public String getLine(){ if (this.hasMoreLines()) { String contentTemp = content[index++]; System.out.println("Mock getLine: "+contentTemp+", file mock rest size: "+(content.length-index)); return contentTemp; } return null; }}Buffer.java
package com.packtpub.java7.concurrency.chapter2.recipe6.task;import java.util.LinkedList;import java.util.concurrent.locks.Condition;import java.util.concurrent.locks.ReentrantLock;/** * This class implements a buffer to stores the simulate file lines between the * producer and the consumers * */public class Buffer { /** * The buffer */ private LinkedList<String> buffer; /** * Size of the buffer */ private int maxSize; /** * Lock to control the access to the buffer */ private ReentrantLock lock; /** * Conditions to control that the buffer has lines and has empty space */ private Condition lines; private Condition space; /** * Attribute to control where are pending lines in the buffer */ private boolean pendingLines; /** * Constructor of the class. Initialize all the objects * * @param maxSize * The size of the buffer */ public Buffer(int maxSize) { this.maxSize = maxSize; buffer = new LinkedList<>(); lock = new ReentrantLock(); lines = lock.newCondition(); space = lock.newCondition(); pendingLines = true; } /** * Insert a line in the buffer * * @param line * line to insert in the buffer */ public void insert(String line) { lock.lock(); try { while (buffer.size() == maxSize) { space.await(); } buffer.offer(line); System.out.printf("%s: buffer Inserted Line: %d, line content: %s\n", Thread.currentThread() .getName(), buffer.size(), line); lines.signalAll(); } catch (InterruptedException e) { e.printStackTrace(); } finally { lock.unlock(); } } /** * Returns a line from the buffer * * @return a line from the buffer */ public String get() { String line=null; lock.lock(); try { while ((buffer.size() == 0) &&(hasPendingLines())) { lines.await(); } if (hasPendingLines()) { line = buffer.poll(); System.out.printf("--- %s: Line Readed: %d, line content: %s\n",Thread.currentThread().getName(),buffer.size(), line); space.signalAll(); } } catch (InterruptedException e) { e.printStackTrace(); } finally { lock.unlock(); } return line; } /** * Establish the value of the variable * * @param pendingLines */ public void setPendingLines(boolean pendingLines) { this.pendingLines = pendingLines; } /** * Returns the value of the variable * * @return the value of the variable */ public boolean hasPendingLines() { return pendingLines || buffer.size() > 0; }}Consumer.java
package com.packtpub.java7.concurrency.chapter2.recipe6.task;import java.util.Random;/** * This class reads line from the buffer and process it * */public class Consumer implements Runnable { /** * The buffer */ private Buffer buffer; /** * Constructor of the class. Initialize the buffer * @param buffer */ public Consumer (Buffer buffer) { this.buffer=buffer; } /** * Core method of the consumer. While there are pending lines in the * buffer, try to read one. */ @Override public void run() { while (buffer.hasPendingLines()) { String line=buffer.get(); processLine(line); } } /** * Method that simulates the processing of a line. Waits 10 milliseconds * @param line */ private void processLine(String line) { try { Random random=new Random(); Thread.sleep(random.nextInt(100)); } catch (InterruptedException e) { e.printStackTrace(); } }}结果
Mock getLine: 0CxPCRLomHK, file rest size: 100
Producer: buffer Inserted Line: 1, line content: 0CxPCRLomHK
Mock getLine: 1cBKAHMczfn, file rest size: 99
— Consumer 1: Line Readed: 0, line content: 0CxPCRLomHK
Producer: buffer Inserted Line: 1, line content: 1cBKAHMczfn
Mock getLine: 2eqiFkMvCvb, file rest size: 98
— Consumer 2: Line Readed: 0, line content: 1cBKAHMczfn
Producer: buffer Inserted Line: 1, line content: 2eqiFkMvCvb
Mock getLine: 3IuTHXukRuw, file rest size: 97
— Consumer 0: Line Readed: 0, line content: 2eqiFkMvCvb
Producer: buffer Inserted Line: 1, line content: 3IuTHXukRuw
Mock getLine: 4jCcRrwmREN, file rest size: 96
Producer: buffer Inserted Line: 2, line content: 4jCcRrwmREN
Mock getLine: 5AQfKvjIXGg, file rest size: 95
Producer: buffer Inserted Line: 3, line content: 5AQfKvjIXGg
Mock getLine: 6WFpRJraqNf, file rest size: 94
Producer: buffer Inserted Line: 4, line content: 6WFpRJraqNf
Mock getLine: 7gEghGXoSQN, file rest size: 93
Producer: buffer Inserted Line: 5, line content: 7gEghGXoSQN
Mock getLine: 8VsRSOqtMez, file rest size: 92
Producer: buffer Inserted Line: 6, line content: 8VsRSOqtMez
Mock getLine: 9fJIJjymZzM, file rest size: 91
Producer: buffer Inserted Line: 7, line content: 9fJIJjymZzM
Mock getLine: 10SNVPQuifJd, file rest size: 90
Producer: buffer Inserted Line: 8, line content: 10SNVPQuifJd
Mock getLine: 11VrQmfHiBJn, file rest size: 89
Producer: buffer Inserted Line: 9, line content: 11VrQmfHiBJn
Mock getLine: 12kPXHZQPUNQ, file rest size: 88
Producer: buffer Inserted Line: 10, line content: 12kPXHZQPUNQ
Mock getLine: 13AdamVwlUWL, file rest size: 87
Producer: buffer Inserted Line: 11, line content: 13AdamVwlUWL
Mock getLine: 14monarebeuP, file rest size: 86
Producer: buffer Inserted Line: 12, line content: 14monarebeuP
Mock getLine: 15ldeSGkfrsV, file rest size: 85
Producer: buffer Inserted Line: 13, line content: 15ldeSGkfrsV
Mock getLine: 16zIrDZyZXxp, file rest size: 84
Producer: buffer Inserted Line: 14, line content: 16zIrDZyZXxp
Mock getLine: 17iesVSEPFAH, file rest size: 83
Producer: buffer Inserted Line: 15, line content: 17iesVSEPFAH
Mock getLine: 18dAjqolHHkL, file rest size: 82
Producer: buffer Inserted Line: 16, line content: 18dAjqolHHkL
Mock getLine: 19WylOcKxquL, file rest size: 81
Producer: buffer Inserted Line: 17, line content: 19WylOcKxquL
Mock getLine: 20QKfQhYBjtq, file rest size: 80
Producer: buffer Inserted Line: 18, line content: 20QKfQhYBjtq
Mock getLine: 21MgxSEKOjbJ, file rest size: 79
Producer: buffer Inserted Line: 19, line content: 21MgxSEKOjbJ
Mock getLine: 22zWuvxkAYXk, file rest size: 78
Producer: buffer Inserted Line: 20, line content: 22zWuvxkAYXk
Mock getLine: 23MtytFebQew, file rest size: 77
— Consumer 1: Line Readed: 19, line content: 3IuTHXukRuw
Producer: buffer Inserted Line: 20, line content: 23MtytFebQew
Mock getLine: 24mXrZBEVrmL, file rest size: 76
— Consumer 2: Line Readed: 19, line content: 4jCcRrwmREN
Producer: buffer Inserted Line: 20, line content: 24mXrZBEVrmL
Mock getLine: 25yRnKkOsBBi, file rest size: 75
— Consumer 0: Line Readed: 19, line content: 5AQfKvjIXGg
Producer: buffer Inserted Line: 20, line content: 25yRnKkOsBBi
Mock getLine: 26zhidVgLcQd, file rest size: 74
— Consumer 2: Line Readed: 19, line content: 6WFpRJraqNf
Producer: buffer Inserted Line: 20, line content: 26zhidVgLcQd
Mock getLine: 27owclROdslC, file rest size: 73
— Consumer 0: Line Readed: 19, line content: 7gEghGXoSQN
Producer: buffer Inserted Line: 20, line content: 27owclROdslC
Mock getLine: 28xkViZWnnaP, file rest size: 72
— Consumer 1: Line Readed: 19, line content: 8VsRSOqtMez
Producer: buffer Inserted Line: 20, line content: 28xkViZWnnaP
Mock getLine: 29VqLyQVGjnC, file rest size: 71
— Consumer 1: Line Readed: 19, line content: 9fJIJjymZzM
Producer: buffer Inserted Line: 20, line content: 29VqLyQVGjnC
Mock getLine: 30RQAzdippjF, file rest size: 70
— Consumer 2: Line Readed: 19, line content: 10SNVPQuifJd
Producer: buffer Inserted Line: 20, line content: 30RQAzdippjF
Mock getLine: 31eOXTBiXxHt, file rest size: 69
— Consumer 2: Line Readed: 19, line content: 11VrQmfHiBJn
Producer: buffer Inserted Line: 20, line content: 31eOXTBiXxHt
Mock getLine: 32POBvwgdKGw, file rest size: 68
— Consumer 1: Line Readed: 19, line content: 12kPXHZQPUNQ
Producer: buffer Inserted Line: 20, line content: 32POBvwgdKGw
Mock getLine: 33ubvdpXOavd, file rest size: 67
— Consumer 1: Line Readed: 19, line content: 13AdamVwlUWL
— Consumer 0: Line Readed: 18, line content: 14monarebeuP
Producer: buffer Inserted Line: 19, line content: 33ubvdpXOavd
Mock getLine: 34xRSPhByFlT, file rest size: 66
Producer: buffer Inserted Line: 20, line content: 34xRSPhByFlT
Mock getLine: 35gugQuNfgWr, file rest size: 65
— Consumer 2: Line Readed: 19, line content: 15ldeSGkfrsV
Producer: buffer Inserted Line: 20, line content: 35gugQuNfgWr
Mock getLine: 36DqHuBavdVX, file rest size: 64
— Consumer 1: Line Readed: 19, line content: 16zIrDZyZXxp
Producer: buffer Inserted Line: 20, line content: 36DqHuBavdVX
Mock getLine: 37CbzXdiqvnN, file rest size: 63
— Consumer 0: Line Readed: 19, line content: 17iesVSEPFAH
Producer: buffer Inserted Line: 20, line content: 37CbzXdiqvnN
Mock getLine: 38qVnGwknTel, file rest size: 62
— Consumer 1: Line Readed: 19, line content: 18dAjqolHHkL
Producer: buffer Inserted Line: 20, line content: 38qVnGwknTel
Mock getLine: 39pengGLstxP, file rest size: 61
— Consumer 2: Line Readed: 19, line content: 19WylOcKxquL
Producer: buffer Inserted Line: 20, line content: 39pengGLstxP
Mock getLine: 40aZTBYdIxlF, file rest size: 60
— Consumer 0: Line Readed: 19, line content: 20QKfQhYBjtq
Producer: buffer Inserted Line: 20, line content: 40aZTBYdIxlF
Mock getLine: 41buLnxOrsJK, file rest size: 59
— Consumer 1: Line Readed: 19, line content: 21MgxSEKOjbJ
Producer: buffer Inserted Line: 20, line content: 41buLnxOrsJK
Mock getLine: 42etUtqrxJSm, file rest size: 58
— Consumer 2: Line Readed: 19, line content: 22zWuvxkAYXk
Producer: buffer Inserted Line: 20, line content: 42etUtqrxJSm
Mock getLine: 43wkDoSAoUWE, file rest size: 57
— Consumer 1: Line Readed: 19, line content: 23MtytFebQew
Producer: buffer Inserted Line: 20, line content: 43wkDoSAoUWE
Mock getLine: 44lJXxZqdodt, file rest size: 56
— Consumer 0: Line Readed: 19, line content: 24mXrZBEVrmL
Producer: buffer Inserted Line: 20, line content: 44lJXxZqdodt
Mock getLine: 45EAOZunlYxS, file rest size: 55
— Consumer 0: Line Readed: 19, line content: 25yRnKkOsBBi
Producer: buffer Inserted Line: 20, line content: 45EAOZunlYxS
Mock getLine: 46TqqGexuubA, file rest size: 54
— Consumer 0: Line Readed: 19, line content: 26zhidVgLcQd
Producer: buffer Inserted Line: 20, line content: 46TqqGexuubA
Mock getLine: 47lmOnxvUGxd, file rest size: 53
— Consumer 2: Line Readed: 19, line content: 27owclROdslC
Producer: buffer Inserted Line: 20, line content: 47lmOnxvUGxd
Mock getLine: 48mHvnUoagQR, file rest size: 52
— Consumer 1: Line Readed: 19, line content: 28xkViZWnnaP
Producer: buffer Inserted Line: 20, line content: 48mHvnUoagQR
Mock getLine: 49gBIVGjfyXy, file rest size: 51
— Consumer 2: Line Readed: 19, line content: 29VqLyQVGjnC
Producer: buffer Inserted Line: 20, line content: 49gBIVGjfyXy
Mock getLine: 50LKVfEGKLRG, file rest size: 50
— Consumer 0: Line Readed: 19, line content: 30RQAzdippjF
Producer: buffer Inserted Line: 20, line content: 50LKVfEGKLRG
Mock getLine: 51eWoQEPPdfa, file rest size: 49
— Consumer 0: Line Readed: 19, line content: 31eOXTBiXxHt
Producer: buffer Inserted Line: 20, line content: 51eWoQEPPdfa
Mock getLine: 52CxRbZeBYqR, file rest size: 48
— Consumer 1: Line Readed: 19, line content: 32POBvwgdKGw
Producer: buffer Inserted Line: 20, line content: 52CxRbZeBYqR
Mock getLine: 53ycKrdNhKMx, file rest size: 47
— Consumer 1: Line Readed: 19, line content: 33ubvdpXOavd
Producer: buffer Inserted Line: 20, line content: 53ycKrdNhKMx
Mock getLine: 54gCdvdDirbi, file rest size: 46
— Consumer 2: Line Readed: 19, line content: 34xRSPhByFlT
Producer: buffer Inserted Line: 20, line content: 54gCdvdDirbi
Mock getLine: 55ldTQqEogtz, file rest size: 45
— Consumer 0: Line Readed: 19, line content: 35gugQuNfgWr
Producer: buffer Inserted Line: 20, line content: 55ldTQqEogtz
Mock getLine: 56KFgASfXUQP, file rest size: 44
— Consumer 2: Line Readed: 19, line content: 36DqHuBavdVX
Producer: buffer Inserted Line: 20, line content: 56KFgASfXUQP
Mock getLine: 57aOSHqBzyuK, file rest size: 43
— Consumer 2: Line Readed: 19, line content: 37CbzXdiqvnN
Producer: buffer Inserted Line: 20, line content: 57aOSHqBzyuK
Mock getLine: 58VjfmypmfbN, file rest size: 42
— Consumer 1: Line Readed: 19, line content: 38qVnGwknTel
Producer: buffer Inserted Line: 20, line content: 58VjfmypmfbN
Mock getLine: 59RTZcPYgwIq, file rest size: 41
— Consumer 0: Line Readed: 19, line content: 39pengGLstxP
Producer: buffer Inserted Line: 20, line content: 59RTZcPYgwIq
Mock getLine: 60xzYMJfzICm, file rest size: 40
— Consumer 0: Line Readed: 19, line content: 40aZTBYdIxlF
Producer: buffer Inserted Line: 20, line content: 60xzYMJfzICm
Mock getLine: 61sGhOxjkTtE, file rest size: 39
— Consumer 2: Line Readed: 19, line content: 41buLnxOrsJK
Producer: buffer Inserted Line: 20, line content: 61sGhOxjkTtE
Mock getLine: 62FfXRQflhfn, file rest size: 38
— Consumer 0: Line Readed: 19, line content: 42etUtqrxJSm
Producer: buffer Inserted Line: 20, line content: 62FfXRQflhfn
Mock getLine: 63JgtUIdmTNs, file rest size: 37
— Consumer 1: Line Readed: 19, line content: 43wkDoSAoUWE
Producer: buffer Inserted Line: 20, line content: 63JgtUIdmTNs
Mock getLine: 64WkujsGQBPa, file rest size: 36
— Consumer 2: Line Readed: 19, line content: 44lJXxZqdodt
Producer: buffer Inserted Line: 20, line content: 64WkujsGQBPa
Mock getLine: 65DSfSJuPfWN, file rest size: 35
— Consumer 1: Line Readed: 19, line content: 45EAOZunlYxS
Producer: buffer Inserted Line: 20, line content: 65DSfSJuPfWN
Mock getLine: 66EuVDEbQYpw, file rest size: 34
— Consumer 2: Line Readed: 19, line content: 46TqqGexuubA
Producer: buffer Inserted Line: 20, line content: 66EuVDEbQYpw
Mock getLine: 67jKcXsBkHOO, file rest size: 33
— Consumer 0: Line Readed: 19, line content: 47lmOnxvUGxd
Producer: buffer Inserted Line: 20, line content: 67jKcXsBkHOO
Mock getLine: 68tauuFMAKdJ, file rest size: 32
— Consumer 0: Line Readed: 19, line content: 48mHvnUoagQR
Producer: buffer Inserted Line: 20, line content: 68tauuFMAKdJ
Mock getLine: 69cMKQtykJrg, file rest size: 31
— Consumer 1: Line Readed: 19, line content: 49gBIVGjfyXy
Producer: buffer Inserted Line: 20, line content: 69cMKQtykJrg
Mock getLine: 70riWdiqcMUq, file rest size: 30
— Consumer 2: Line Readed: 19, line content: 50LKVfEGKLRG
Producer: buffer Inserted Line: 20, line content: 70riWdiqcMUq
Mock getLine: 71yfAOjNgoCZ, file rest size: 29
— Consumer 0: Line Readed: 19, line content: 51eWoQEPPdfa
Producer: buffer Inserted Line: 20, line content: 71yfAOjNgoCZ
Mock getLine: 72VbiIxBIwkH, file rest size: 28
— Consumer 2: Line Readed: 19, line content: 52CxRbZeBYqR
Producer: buffer Inserted Line: 20, line content: 72VbiIxBIwkH
Mock getLine: 73aoehqBYgvK, file rest size: 27
— Consumer 1: Line Readed: 19, line content: 53ycKrdNhKMx
Producer: buffer Inserted Line: 20, line content: 73aoehqBYgvK
Mock getLine: 74sGMHTMIroD, file rest size: 26
— Consumer 2: Line Readed: 19, line content: 54gCdvdDirbi
Producer: buffer Inserted Line: 20, line content: 74sGMHTMIroD
Mock getLine: 75dMOqaBotel, file rest size: 25
— Consumer 2: Line Readed: 19, line content: 55ldTQqEogtz
Producer: buffer Inserted Line: 20, line content: 75dMOqaBotel
Mock getLine: 76PgaohcrhgC, file rest size: 24
— Consumer 1: Line Readed: 19, line content: 56KFgASfXUQP
Producer: buffer Inserted Line: 20, line content: 76PgaohcrhgC
Mock getLine: 77BsLmHtMexj, file rest size: 23
— Consumer 0: Line Readed: 19, line content: 57aOSHqBzyuK
Producer: buffer Inserted Line: 20, line content: 77BsLmHtMexj
Mock getLine: 78PoFhxWDEJS, file rest size: 22
— Consumer 2: Line Readed: 19, line content: 58VjfmypmfbN
Producer: buffer Inserted Line: 20, line content: 78PoFhxWDEJS
Mock getLine: 79jFKZXmDUrO, file rest size: 21
— Consumer 1: Line Readed: 19, line content: 59RTZcPYgwIq
Producer: buffer Inserted Line: 20, line content: 79jFKZXmDUrO
Mock getLine: 80RvLEZWBVef, file rest size: 20
— Consumer 0: Line Readed: 19, line content: 60xzYMJfzICm
Producer: buffer Inserted Line: 20, line content: 80RvLEZWBVef
Mock getLine: 81KTINBRaSbi, file rest size: 19
— Consumer 1: Line Readed: 19, line content: 61sGhOxjkTtE
Producer: buffer Inserted Line: 20, line content: 81KTINBRaSbi
Mock getLine: 82OyWHFkazUv, file rest size: 18
— Consumer 0: Line Readed: 19, line content: 62FfXRQflhfn
Producer: buffer Inserted Line: 20, line content: 82OyWHFkazUv
Mock getLine: 83YwZCgbDWjT, file rest size: 17
— Consumer 2: Line Readed: 19, line content: 63JgtUIdmTNs
Producer: buffer Inserted Line: 20, line content: 83YwZCgbDWjT
Mock getLine: 84lFjQGdfpzZ, file rest size: 16
— Consumer 1: Line Readed: 19, line content: 64WkujsGQBPa
Producer: buffer Inserted Line: 20, line content: 84lFjQGdfpzZ
Mock getLine: 85ZBUEJdOccS, file rest size: 15
— Consumer 0: Line Readed: 19, line content: 65DSfSJuPfWN
Producer: buffer Inserted Line: 20, line content: 85ZBUEJdOccS
Mock getLine: 86mSwgkfqtOG, file rest size: 14
— Consumer 2: Line Readed: 19, line content: 66EuVDEbQYpw
Producer: buffer Inserted Line: 20, line content: 86mSwgkfqtOG
Mock getLine: 87QJnfnCRGHg, file rest size: 13
— Consumer 1: Line Readed: 19, line content: 67jKcXsBkHOO
Producer: buffer Inserted Line: 20, line content: 87QJnfnCRGHg
Mock getLine: 88YvaIdiQDhd, file rest size: 12
— Consumer 1: Line Readed: 19, line content: 68tauuFMAKdJ
Producer: buffer Inserted Line: 20, line content: 88YvaIdiQDhd
Mock getLine: 89cXvSsGsuqn, file rest size: 11
— Consumer 2: Line Readed: 19, line content: 69cMKQtykJrg
Producer: buffer Inserted Line: 20, line content: 89cXvSsGsuqn
Mock getLine: 90EcNtrOGGuL, file rest size: 10
— Consumer 2: Line Readed: 19, line content: 70riWdiqcMUq
Producer: buffer Inserted Line: 20, line content: 90EcNtrOGGuL
Mock getLine: 91YTdsEgNipG, file rest size: 9
— Consumer 0: Line Readed: 19, line content: 71yfAOjNgoCZ
Producer: buffer Inserted Line: 20, line content: 91YTdsEgNipG
Mock getLine: 92tnREYmCUmj, file rest size: 8
— Consumer 1: Line Readed: 19, line content: 72VbiIxBIwkH
Producer: buffer Inserted Line: 20, line content: 92tnREYmCUmj
Mock getLine: 93kAcDvxDlOv, file rest size: 7
— Consumer 2: Line Readed: 19, line content: 73aoehqBYgvK
Producer: buffer Inserted Line: 20, line content: 93kAcDvxDlOv
Mock getLine: 94WHdxEUvuQu, file rest size: 6
— Consumer 0: Line Readed: 19, line content: 74sGMHTMIroD
Producer: buffer Inserted Line: 20, line content: 94WHdxEUvuQu
Mock getLine: 95OsWAFbnQzO, file rest size: 5
— Consumer 1: Line Readed: 19, line content: 75dMOqaBotel
Producer: buffer Inserted Line: 20, line content: 95OsWAFbnQzO
Mock getLine: 96dEJcxQULhP, file rest size: 4
— Consumer 2: Line Readed: 19, line content: 76PgaohcrhgC
Producer: buffer Inserted Line: 20, line content: 96dEJcxQULhP
Mock getLine: 97EwJlJPGrPI, file rest size: 3
— Consumer 1: Line Readed: 19, line content: 77BsLmHtMexj
Producer: buffer Inserted Line: 20, line content: 97EwJlJPGrPI
Mock getLine: 98eMgRjSYRDn, file rest size: 2
— Consumer 0: Line Readed: 19, line content: 78PoFhxWDEJS
Producer: buffer Inserted Line: 20, line content: 98eMgRjSYRDn
Mock getLine: 99uYHRmiuXFg, file rest size: 1
— Consumer 0: Line Readed: 19, line content: 79jFKZXmDUrO
Producer: buffer Inserted Line: 20, line content: 99uYHRmiuXFg
Mock getLine: 100aXvigwQtBC, file rest size: 0
— Consumer 0: Line Readed: 19, line content: 80RvLEZWBVef
Producer: buffer Inserted Line: 20, line content: 100aXvigwQtBC
— Consumer 0: Line Readed: 19, line content: 81KTINBRaSbi
— Consumer 1: Line Readed: 18, line content: 82OyWHFkazUv
— Consumer 2: Line Readed: 17, line content: 83YwZCgbDWjT
— Consumer 0: Line Readed: 16, line content: 84lFjQGdfpzZ
— Consumer 1: Line Readed: 15, line content: 85ZBUEJdOccS
— Consumer 2: Line Readed: 14, line content: 86mSwgkfqtOG
— Consumer 0: Line Readed: 13, line content: 87QJnfnCRGHg
— Consumer 0: Line Readed: 12, line content: 88YvaIdiQDhd
— Consumer 0: Line Readed: 11, line content: 89cXvSsGsuqn
— Consumer 2: Line Readed: 10, line content: 90EcNtrOGGuL
— Consumer 1: Line Readed: 9, line content: 91YTdsEgNipG
— Consumer 1: Line Readed: 8, line content: 92tnREYmCUmj
— Consumer 2: Line Readed: 7, line content: 93kAcDvxDlOv
— Consumer 2: Line Readed: 6, line content: 94WHdxEUvuQu
— Consumer 2: Line Readed: 5, line content: 95OsWAFbnQzO
— Consumer 0: Line Readed: 4, line content: 96dEJcxQULhP
— Consumer 2: Line Readed: 3, line content: 97EwJlJPGrPI
— Consumer 1: Line Readed: 2, line content: 98eMgRjSYRDn
— Consumer 0: Line Readed: 1, line content: 99uYHRmiuXFg
— Consumer 1: Line Readed: 0, line content: 100aXvigwQtBC
代码来自《Java7并发实践手册》
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